4. Stomata are tiny holes in the leaves of plants. These are critical to a plant's ability to perform
photosynthesis because they-
A distribute sugar to the leaf cells
Cabsorb the sun's solar energy
Bprovide the plant with nitrogen
D allow gases to enter and leave
Answers: 2
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Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different
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The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen
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Babies with very low or very high birth weight are less likely to survive. observe a graph of the data.
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4. Stomata are tiny holes in the leaves of plants. These are critical to a plant's ability to perfor...
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